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    <title>Document</title>
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    <script>

        function func(){

        }
        class People{

        }
        class ChinesePeople{

        }
        let d = new Date();
        // console.log(func);
        // console.log(func.prototype);
        // console.log(func.constructor == Function);
        // console.log(func.constructor.__proto__.__proto__);
        // console.log(Object.prototype.__proto__);
        let p = new People();
        console.log(p.__proto__);
        console.log(p.__proto__.__proto__);
        console.log(p.constructor);
    </script>
</body>
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